5310-01-388-2318

Find complete technical information, availability, and procurement data for: 5310-01-388-2318
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-388-2318

Item Name Code

01857

Assigment Date

03/25/1994 (32 years ago)

A ferrous or nonferrous product of solid rectangular cross section uniform throughout. It is made to specific strength for the purpose of arresting firearm projectiles or fragments.

0.430 inches minimum and 0.439 inches maximum width across flats, 3b thread class, left-hand thread direction, hexagon nut style, 0.115 inches minimum and 0.135 inches maximum nut height

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3b
Thread Direction: left-hand
Nut Style: hexagon
Nut Height: 0.115 inches minimum and 0.135 inches maximum
Width Across Flats: 0.430 inches minimum and 0.439 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Bearing Surface Type: chamfered
Material: iron alloy 660 overall
Material Document And Classification: ams 5735 assn std single material response overall
Precious Material And Location: overall silver
Precious Material: silver
Surface Treatment: silver overall

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
696357	Hexagon Plain Nut

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5310-01-388-2318?

The FSCG of the NSN 5310-01-388-2318 is 5310

Does the NSN 5310-01-388-2318 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-388-2318 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5310-01-388-2318 contain precious materials?

Item contains silver.

Does NSN 5310-01-388-2318 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5310-01-388-2318 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Fri, Mar 25, 1994